Only mammals and birds can produce urine that is _______.
A)isotonic
B)hypertonic
C)hypotonic

Name: Only mammals and birds can produce urine that is _______. A)isotonic B)hypertonic C)hypotonic
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Question

Quizplus · Accepted Answer

Mammals and birds have the ability to concentrate their urine, making it hypertonic relative to their blood plasma. This adaptation allows them to conserve water, which is particularly important for birds in flight and mammals in arid environments.

Only Mammals and Birds Can Produce Urine That Is _______